All projects on Base matching “asn lookup”

Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in, the regional registry that manages it, and the exact address range it belongs to.

IP Lookup — IP lookup - resolve geolocation, ASN, ISP and proxy status for an IP address

IP geolocation, ASN and reputation lookup: VPN/Tor proxy, hosting and botnet C2 flags with an abuse score, for any IPv4 or IPv6 address.

PeeringDB network/ASN lookup (keyless). POST {asn}/{name?}/{id?}. Empty -> 400 not charged. Distinct peering/IX lane — disclose rdap/ripe adjacency lightly.